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target/riscv: Add cfg properties for Zvkn[c|g] extensions

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Vector crypto spec defines the NIST algorithm suite related extensions
(Zvkn, Zvknc, Zvkng) combined by several vector crypto extensions.

Signed-off-by: Max Chou <max.chou@sifive.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231026151828.754279-7-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Max Chou 2023-10-26 23:18:13 +08:00 committed by Alistair Francis
parent f209cb0a83
commit 7cdc8ddb08
2 changed files with 23 additions and 0 deletions
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3
target/riscv/cpu_cfg.h
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@ -98,6 +98,9 @@ struct RISCVCPUConfig {
bool ext_zvksed;
bool ext_zvksh;
bool ext_zvkt;
bool ext_zvkn;
bool ext_zvknc;
bool ext_zvkng;
bool ext_zmmul;
bool ext_zvfbfmin;
bool ext_zvfbfwma;

20
target/riscv/tcg/tcg-cpu.c
View File

@ -499,6 +499,26 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
return;
}
/*
* Shorthand vector crypto extensions
*/
if (cpu->cfg.ext_zvknc) {
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkn), true);
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbc), true);
}
if (cpu->cfg.ext_zvkng) {
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkn), true);
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkg), true);
}
if (cpu->cfg.ext_zvkn) {
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkned), true);
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvknhb), true);
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkb), true);
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvkt), true);
}
if (cpu->cfg.ext_zvkt) {
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbb), true);
cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbc), true);